Overview
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Explore the critical importance of random number generation in IoT security through this 51-minute conference talk from Security BSides London. Delve into the often misunderstood world of randomness and its crucial role in cryptographic systems. Discover how mistakes in random number generation are impacting IoT devices, potentially affecting everything from smart lightbulbs to medical implants. Learn about the current state of random number generation in embedded devices, common pitfalls, and proposed solutions. Gain insights into the definition of randomness, its practical applications, and the challenges faced in IoT environments. Examine real-world assessment results and explore potential ways to improve random number generation in smart devices. Understand the implications of poor randomness on device security and the steps needed to enhance IoT security through better random number generation techniques.
Syllabus
Intro
The problem
The LCG
What are random numbers
How we use random numbers
Things Network
Arduino
Maths
Randomness
Three Strings
Randomness Definition
Random Numbers
Random Number Generator
What can we do
What do we need
Watchdog Timer
Mister Noise
RSSI
Results
Conclusion
Outro
Taught by
Security BSides London